There are many reasons why a patient may have pain after having cramps in the calf, such as prolonged standing or prolonged squatting or sitting, as well as long-term chronic strain and injury to the calf area, resulting in damage to the calf triceps muscle and the accumulation of lactic acid in the muscle, resulting in muscle nutrient metabolism disorders and muscle spasm, pain and cramps. In this case, the patient can be instructed to rest in bed, prohibit standing and weight-bearing activities, and elevate the lower leg. In the calf area can be given hot compress treatment, Chinese medicine fumigation or traditional Chinese medicine techniques for local massage, can also be combined with low and medium frequency electrotherapy, bioelectric therapy can promote local blood circulation, accelerate the metabolism of lactic acid, can alleviate this phenomenon.